chore(deps): update actions/checkout action to v6

Author: renovate[bot]

.github/workflows/check-tag.yml

@@ -12,7 +12,7 @@ jobs:
   check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
       - name: Run checks
         run: |
           grep -P --color=always "\s+(?<=rev: )$GITHUB_REF_NAME$" README.md

.github/workflows/check.yml

@@ -16,7 +16,7 @@ jobs:
       matrix:
         os: [macos-latest, ubuntu-latest]
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
       # No caching as we're expected to run rarely
       - name: Install dependencies and run checks
         shell: bash

.github/workflows/scorecard.yml

@@ -18,7 +18,7 @@ jobs:
       id-token: write
       security-events: write
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           persist-credentials: false
       - uses: ossf/scorecard-action@4eaacf0543bb3f2c246792bd56e8cdeffafb205a # v2.4.3